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I remember testing one that used synthetic resin instead of natural oils.

When you seal a pergola, or any outdoor wood, try to use a penetrating sealer made with synthetic resins.

The label says it’s safe to use on most bath surfaces, including porcelain, synthetic resin, fiberglass and ceramic tile.

Such gear is often made of polypropylene plastic, a synthetic resin that can take hundreds of years to degrade.

The machine, nicknamed ‘the replicator’ in honour of the fictional devices in Star Trek, uses a type of synthetic resin that becomes solid plastic when exposed to the right amount of light.